package com.hbt.api.utils;

public class FakeRedis {
    public static String getUsernameByToken(String token){
        if(token!=null && token != ""){
            System.out.println("getUsernameByToken token != null && token != 空字符串");
            return "李白";
        }else {
            System.out.println("getUsernameByToken token == null || token == 空字符串");
            return null;
        }
    }
}
